Our 750 HD series 15″ rear drag wheels meet the SFI 15.3 specification for applications up to 7500 horsepower. They’re available in 15x14x5, 15x15x5 and 15x16x4 with your choice of 5 x 4.75, 5 x 5.00 or 5 x 5.50 in. bolt circle patterns, and optional double locks and a polished finish.